1313016216 has 64 divisors (see below), whose sum is σ = 3532675680. Its totient is φ = 405166080.

The previous prime is 1313016181. The next prime is 1313016227. The reversal of 1313016216 is 6126103131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491 + ... + 51266.

Almost surely, 2^1313016216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313016216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766337840).

1313016216 is an abundant number, since it is smaller than the sum of its proper divisors (2219659464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313016216 is a wasteful number, since it uses less digits than its factorization.

1313016216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52844 (or 52840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1313016216 is about 36235.5656227414. The cubic root of 1313016216 is about 1095.0233076084.

Adding to 1313016216 its reverse (6126103131), we get a palindrome (7439119347).

The spelling of 1313016216 in words is "one billion, three hundred thirteen million, sixteen thousand, two hundred sixteen".